CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
34.7%
The version of Microsoft Edge installed on the remote Windows host is prior to 91.0.864.59. It is, therefore, affected by multiple vulnerabilities as referenced in the June 24, 2021 advisory. Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.
#%NASL_MIN_LEVEL 70300
##
# (C) Tenable Network Security, Inc.
##
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(150999);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/12/12");
script_cve_id("CVE-2021-34475", "CVE-2021-34506");
script_name(english:"Microsoft Edge (Chromium) < 91.0.864.59 Multiple Vulnerabilities");
script_set_attribute(attribute:"synopsis", value:
"The remote host has an web browser installed that is affected by multiple vulnerabilities.");
script_set_attribute(attribute:"description", value:
"The version of Microsoft Edge installed on the remote Windows host is prior to 91.0.864.59. It is, therefore, affected
by multiple vulnerabilities as referenced in the June 24, 2021 advisory. Note that Nessus has not tested for this issue
but has instead relied only on the application's self-reported version number.");
# https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security#june-24-2021
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?fcf1608e");
script_set_attribute(attribute:"see_also", value:"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34475");
script_set_attribute(attribute:"see_also", value:"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34506");
script_set_attribute(attribute:"solution", value:
"Upgrade to Microsoft Edge version 91.0.864.59 or later.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-34506");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"vuln_publication_date", value:"2021/06/24");
script_set_attribute(attribute:"patch_publication_date", value:"2021/06/24");
script_set_attribute(attribute:"plugin_publication_date", value:"2021/06/25");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:edge");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Windows");
script_copyright(english:"This script is Copyright (C) 2021-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("microsoft_edge_chromium_installed.nbin");
script_require_keys("installed_sw/Microsoft Edge (Chromium)", "SMB/Registry/Enumerated");
exit(0);
}
include('vcf.inc');
get_kb_item_or_exit('SMB/Registry/Enumerated');
app_info = vcf::get_app_info(app:'Microsoft Edge (Chromium)', win_local:TRUE);
constraints = [
{ 'fixed_version' : '91.0.864.59' }
];
vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_WARNING);
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
34.7%